Symptoms
The following error occurs on attempt to print any order/invoice in Magento backend:
LZWDecode Compression Mode Not Currently Supported
Cause
The error is generated by Zend library (Tiff image processing module) due to lack of LZW support for Tiff format.
Solution
The solution is to change the uploaded logo for PDF print-outs to JPEG format at System > Configuration > Sales > Sales > Invoice and Packing Slip Design in Logo for PDF Print-outs section:
